Establish the identity.cot(? - ?) = - cot ?
What will be an ideal response?
cot(? - ?) = 
= 
= 
= 
= - cot ?
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = x3 , g(x) = -x3 - 4
A. 
B. 
C. 
D. 
Mathematics
The price of a certain commodity in dollars/unit at time 
(measured in weeks) is given by
?
?
What is the average price of the commodity over the 7-week period from 
to 
?
?
Round the answer to the nearest cent.
?
A. $10.14
B. $12.43
C. $6.81
D. $7.92
E. $4.15
Mathematics
Solve the problem.Matthew has saved a total of $28,000, of which $5600 is invested in the stock market. What percent of his total savings is invested in the stock market?
A. 15% B. 25% C. 30% D. 20%
Mathematics